Home / 691,638.75-1,036,894.97-464,168.88

Finding the Fourth Proportional to 691,638.75, 1,036,894.97 and 464,168.88

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Solution

The fourth proportional to 691,638.75, 1,036,894.97 and 464,168.88 is: 695,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,638.75 : 1,036,894.97 = 464,168.88 : x
  2. Step 2: Convert to fraction form
    691,638.75/1,036,894.97 = 464,168.88/x
  3. Step 3: Cross multiply
    691,638.75x = 1,036,894.97 × 464,168.88
  4. Step 4: Simplify right side
    691,638.75x = 481,294,378,062.96
  5. Step 5: Solve for x
    x = 481,294,378,062.96/691,638.75
  6. Step 6: Final answer
    x = 695,875.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.